Q 6:.............. bond is formed by Transferring of Electrons between 2 Atoms.
Dative
Covalent
Ionic

Q 7:...................bond is also called as Semi - Polar bond since; it involves Electrovalency and Covalency both.
Covalent
Co-ordinate
Ionic

Q 8:If a substance gains oxygen during a reaction, it is said to be oxidized. If a substance loses oxygen during a reaction, it is said to be reduced. In other words, one reactant gets oxidized while the other gets reduced during a reaction. Such reactions are ..............reactions?
Combinational
Redox
Decomposition

Q 9: The black coating on silver and the green coating on copper are other examples of ...............?
Antioxidation
Rancidity
Corrosion

Q 10:Litmus solution is a purple dye, which is extracted from .........., a plant belonging to the division Thallophyta, and is commonly used as an indicator.
amoeba
lichen
paramaceia

Q 11:There are some substances whose odour changes in acidic or basic media. These are called ..................indicators
olfactory
Myers-Briggs Type
pH

Q 12:Calcium hydroxide, which is a base, reacts with carbon dioxide to produce a salt and water. Since this is similar to the reaction between a base and an acid, we can conclude that non-metallic oxides are ............... in nature.

basic
acidic
neutral

Q 13:The process of dissolving an acid or a base in water is a highly ............. one.
combustive
endothermic
exothermic